require'stats'
jtfns=: (1,<.@-:,],-@<.@-:,_1:)@# median@:{."0 1 /:~
Thanks,
--
Raul
On Tue, May 6, 2014 at 12:51 AM, Kip Murray <[email protected]> wrote:
> The list 6 9 3 1 has left and right sublists 6 9 and 3 1, the list 6 9 3 1
> 4 has left and right sublists 6 9 and 1 4 . The middle number, if there is
> one, is not included in the left and right sublists.
>
> You know the median of 6 9 3 1 is the median of 1 3 6 9 which is 4.5, and
> the median of 6 9 3 1 4 is the median of 1 3 4 6 9 which is 4.
>
> The "fourths" f1 and f4 of a list y are respectively the medians of the
> left sublist and right sublist of /:~ y .
>
> Write a verb to find John Tukey's "five number summary" minimum , f1 ,
> median, f3 , maximum of a list y.
>
> --Kip Murray
>
>
> --
> Sent from Gmail Mobile
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